1 Don’t support older protocols. A lot of servers support really old and obsolete protocols. If you run a web app, your users will very likely not need support for these.2 Don’t support flawed SSL ciphers. There’s a bunch of these and you can avoid using them. Browsers support multiple different ciphers, so this is not a problem.3 Cache SSL sessions. This will improve performance.4 Turn on HTTP Strict Transport Security (HSTS). This is a special ...